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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef EGLUTILS_H_
#define EGLUTILS_H_

#include "GLContextTypes.h"
#include "GLTypes.h"
#include "mozilla/Assertions.h"

namespace mozilla {
namespace gl {

class GLLibraryEGL;

bool DoesEGLContextSupportSharingWithEGLImage(GLContext* gl);
EGLImage CreateEGLImage(GLContext* gl, GLuint tex);

////////////////////////////////////////////////////////////////////////
// EGLImageWrapper

class EGLImageWrapper {
 public:
  static EGLImageWrapper* Create(GLContext* gl, GLuint tex);

 private:
  GLLibraryEGL& mLibrary;
  const EGLDisplay mDisplay;

 public:
  const EGLImage mImage;

 private:
  EGLSync mSync;

  EGLImageWrapper(GLLibraryEGL& library, EGLDisplay display, EGLImage image)
      : mLibrary(library), mDisplay(display), mImage(image), mSync(0) {
    MOZ_ASSERT(mImage);
  }

 public:
  ~EGLImageWrapper();

  // Insert a sync point on the given context, which should be the current
  // active context.
  bool FenceSync(GLContext* gl);

  bool ClientWaitSync();
};

}  // namespace gl
}  // namespace mozilla

#endif